how to adjust the timing chain of OPTRA Model
4 Answers
http://chevy.mrmax.dp.ua/EN/documents/Nubira-Lacetti/start_Nubira-Lacetti.html
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Optra is using timimg belt not chain. Anyway both is self adjust, no adjustment needed.
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my Chevrolet Optra has a top problem and since that it seems as if not on timing and the air-Cond and heater is not working the Performance is lazy and over consumption the radio has trapped in the cd,s now it is above 200 000 km where can I get satisfactory assistance.